Coherent FTLF1436W4BTV Transceivers 1310nm DFB,CPRI/eCPRI (24.33GBps/25.78Gbps and 10.3Gbps) transceiver, Rate Select, RoHS compliant, SMF, pluggable SFP+ footprint, 3.3V, LC connector, bail, digital diagnostics, -40/85C operation, 10km